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Vulnerability record · CVE-2023-34239 · published 8 June 2023

CVE-2023-34239: Gradio project gradio improper input validation vulnerability

Gradio Project · Gradio

Gradio is an open-source Python library that is used to build machine learning and data science. Due to a lack of path filtering Gradio does not properly restrict file access to users. Additionally Gradio does not properly restrict the what URLs are proxied. These issues have been addressed in version 3.34.0. Users are advised to upgrade. There are no known workarounds for this vulnerability.

9.1 CVSS 3.1 Critical EPSS 0.65% · top 50.9% CWE-20 · Improper input validation
9.1CVSS 3.1 base score
0.65%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

Gradio is an open-source Python library that is used to build machine learning and data science. Due to a lack of path filtering Gradio does not properly restrict file access to users. Additionally Gradio does not properly restrict the what URLs are proxied. These issues have been addressed in version 3.34.0. Users are advised to upgrade. There are no known workarounds for this vulnerability.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/gradio-app/gradio/pull/4370 Patch
https://github.com/gradio-app/gradio/pull/4406 Patch
https://github.com/gradio-app/gradio/security/advisories/GHSA-3qqg-pgqq-3695 Vendor Advisory
https://github.com/gradio-app/gradio/pull/4370 Patch
https://github.com/gradio-app/gradio/pull/4406 Patch
https://github.com/gradio-app/gradio/security/advisories/GHSA-3qqg-pgqq-3695 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-34239), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.